Don't show users tools they can't access

[bengerman13]

In order to improve user experience, we want to hide OpenSearch apps users don't have access to.

Acceptance Criteria

• GIVEN an app shows up in the menu
  WHEN I click on it
  THEN I should not receive a permissions error
• GIVEN I do not have permissions for an app
  WHEN I look for it in the menu
  THEN I should not see it

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Security considerations

This should not change security, only user experience

Implementation sketch

• set the cluster permissions appropriately for our roles and each path/plugin
  • Might be something to be done via the API rather than deployment config
• Consider what features we can add/support
• We can use the Security API to write tests

[markdboyd]

Unfortunately, there is no granular system for showing menu links based on user permissions: opensearch-project/security-dashboards-plugin#857.

So this issue is blocked until Opensearch implements some sort of granular permissions system for menu links.